partition2enumeration: fix memory leak when input is zero

[barvinok.git] / tests / product5

D 1
6 6            
   0    1    1    0    0   -1 
   0    0    0    2    1   -1 
   1    0    1    0    0    0 
   1    0   -1    0    0    1 
   1    0    0    0    1    0 
   1    0    0    0   -1    1 
F 0
2